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From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of carol white
Sent: 30. april 2014 13:42
To: r-h...@stat.math.ethz.ch
Subject: [R] position of a string in a data frame
Hi,
It might be a primitive question but how to find the position of a
string in a
data f
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of carol white
Sent: 30. april 2014 13:42
To: r-h...@stat.math.ethz.ch
Subject: [R] position of a string in a data frame
Hi,
It might be a primitive question but how to find the position of a string in a
data frame? Suppose
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> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> On Behalf Of carol white
> Sent: 30. april 2014 13:42
> To: r-
Hi,
It might be a primitive question but how to find the position of a string in a
data frame? Suppose I search the word "sum" (case insensitive) in a data frame
and it is in the 7th row, 3rd column, how to retrieve the indices 7, 3? I tried
to use grep with tapply but it doesn't work.
Many tha
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